@import '~antd/dist/antd.css';
.content {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding-top: 80px;
    overflow-y: scroll;
}

.content-main {
    max-width: 900px;
}

.left-nav {
    width: 30%;
    float: left;
}

.timeline-box {
    width: 70%;
    float: left;
}

@keyframes App-logo-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

header .nav {
    height: 60px;
}
header .nav-child a{
    color: #f0f0f0;
}
header .nav-child a:hover {
    color: #fff;
}